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Cushion|Lab Grown|IGI

1.21ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG620454308

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG620454308

Diamond specifications and retailer prices

From $370 SGD
As of November 2, 2026
Save $1,814 SGD (83%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,184 SGD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620454308 or 620454308. Listed at 6 retailers as of November 2, 2026, with prices from $370 to $2,184, a $1,814 spread on the same certified stone. Do Amore Diamonds lists it at $2,184. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620454308
Dimensions6.15 × 6.12 × 4.03 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.15 mm6.12 mm1.21 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620454308
Side View
Table 61.0%Crown 34.6°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 65.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $2,184 SGD|Low: $370 SGD|High: $2,184 SGD|Avg: $886 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 5$370 SGD
Retailer 7$499 SGD
Retailer 2$536 SGD
Retailer 8$545 SGD
Retailer 3$562 SGD
Retailer 10$588 SGD
Retailer 11$676 SGD
Retailer 4$756 SGD
Retailer 9$1,256 SGD
Retailer 6$1,460 SGD
Do Amore Diamonds$2,184 SGD

40 data points across 11 retailers

6 retailers$370 SGD to $2,184 SGD

A
Cheapest Retailer
-
$370 SGD
A
Retailer 2
-
$499 SGD
View
A
Retailer 3
-
$536 SGD
View
B+
Retailer 4
-
$756 SGD
View
Retailer 5
-
$1,460 SGD
View
Price last confirmed 7 days ago
Most Expensive
B
Do Amore Diamonds
27-5F4D4275D · Nov 2
$2,184 SGD
$1,710 USD
View
5 more retailers have this diamond
Prices start from $370 SGDSave up to $1,814 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.21ct Cushion
$370 SGD